Reliability Evaluation of UHV DC Power Supply Using Nonsequential Monte Carlo Method

Jiahua HU; Donghui LI

doi:10.16513/j.2096-2185.DE.2008001

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Distributed Energy ›› 2020, Vol. 5 ›› Issue (5) : 16-21. DOI: 10.16513/j.2096-2185.DE.2008001

Basic Research

Reliability Evaluation of UHV DC Power Supply Using Nonsequential Monte Carlo Method

Jiahua HU ,
Donghui LI

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Abstract

In order to evaluate the power reliability of the DC transmission channel, combined with the operation of the UHV DC transmission channel, the failure probability calculation model of the new energy power generation system including wind power and photovoltaic power generation was established, and non-sequential Monte Carlo simulation was adopted. A method for evaluating the power reliability of a DC transmission channel. Defining two indicators, namely the redundant capacity ratio and output deviation of the auxiliary power supply, can further measure the reliability of the auxiliary power supply of the DC transmission channel. Through the analysis of the reliability of the supporting power supply of the UHV DC transmission system in a certain area, the variation results of the supporting power supply reliability under several different conditions are calculated. The result of the calculation example shows that the method has certain applicability for the reliability evaluation of the supporting power supply of the DC transmission system.

Key words

DC transmission system / auxiliary power supply / renewable energy system / nonsequential Monte Carlo method / reliability evaluation

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Jiahua HU , Donghui LI. Reliability Evaluation of UHV DC Power Supply Using Nonsequential Monte Carlo Method[J]. Distributed Energy Resources. 2020, 5(5): 16-21 https://doi.org/10.16513/j.2096-2185.DE.2008001

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